North Korea announces it has conducted 'successful' hydrogen bomb test
USGS detected a preliminary-magnitude 5.1 earthquake near Sungjibaegam, North Korea, at a depth of 6 miles. Reuters reports that the South Korean meteorological agency says the quake took place approximately 30 miles from a known North Korean nuclear test site, and that the quake was man-made. Following news of the quake, South Korea's Yonhap News Agency reported that the South Korea's foreign ministry will hold an emergency meeting amid the reports. We will continue to monitor for updates.